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Estimated module length: 30 minutes Learning objectivesThis module assumes you are familiar with the concepts covered in the following modules:
If you are starting a new machine learning (ML) project, you may be wondering if manual training is your only option to build a machine learning model. With manual training, you write code using an ML framework to create a model. During this process, you choose which algorithms to explore and iteratively tune hyperparameters to find the right model.
Of course, model training is not the only thing you need to think about. In practice, building a machine learning model from prototype to production involves repetitive tasks and specialized skills. A simple exploratory ML workflow looks something like this:
Figure 1. Simple machine learning exploration workflow.Repetitive tasks - The ML workflow can involve repetitive work and experimentation. For example, during model development you typically need to explore different combinations of algorithms and hyperparameters to identify the most appropriate model. With manual training, you write specialized code to train the model and then adjust the code to run experiments with different ML algorithms and hyperparameters to find the best model. For small or exploratory projects this manual process may not be a problem, but for larger projects these repetitive tasks can be time consuming.
Specialized Skills - Manually developing an ML model involves specialized skills. In practice, not every team planning to develop a machine learning model may have these skills. If a team does not have a dedicated data scientist, doing this work manually might not even be feasible.
Luckily, certain steps in model development can be automated to reduce the burden of repetitive work and the need for specialized skills. Automating these tasks is the subject of this module on automated machine learning (AutoML).
What is AutoML?AutoML is a process of automating certain tasks in a machine learning workflow. You can think of AutoML as a set of tools and technologies that make building machine learning models faster and more accessible to a wider group of users. Though automation can help throughout the ML workflow, the tasks that are often associated with AutoML are the ones included in the model development cycle shown in Figure 1. These repetitive tasks include:
With AutoML, you can focus on your ML problem and data rather than on feature selection, tuning hyperparameters, and choosing the right algorithm.
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Last updated 2025-02-26 UTC.
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